/*登陆页面的样式*/

.enter{
    width: 100%;
    height: calc(100% - 50px);
    display: flex;

    justify-content: center;
    align-items: center;
}

.login{

    width: 400px;
    height: 300px;
    background-color: rgba(255,255,255,0.8);
    border-radius: 10px;
}

.login h2{
    text-align: center;
    padding: 30px 0;
}

.login .row {
    display: flex;

    height: 50px;
    justify-content: center;
    align-items: center;
}

.login span {
    width: 50px;
}

#username,#password{
    width: 200px;
    height: 25px;

    border-radius: 5px;
    /*去掉边框*/
    border: none;

    font-size:18px;
}

#submit {
    margin-top: 30px;
    font-size: 18px;
    width: 100px;
    height: 40px;
    border: none;
    background-color: skyblue;
    text-align: center;
}

#submit:active{
    background-color: #4c4c4c;
}